Fortuna Mining Corp. FSM

What this company does

The company is engaged in the mining of gold, silver and base metals and related activities in Latin America and West Africa, including exploration, extraction, and processing. The company and its subsidiaries had 1,633 direct employees and 2,661 indirect employees through contractors as at December 31, 2025. As at the date of the filing, it had three operating mines, each generally considered a reportable segment: the Séguéla Mine located in northwestern Côte d'Ivoire, the Lindero Mine located in northern Argentina, and the Caylloma Mine located in southern Peru. At the Séguéla Mine, an open pit operation, ore is crushed and milled and subjected to carbon-in-leach extraction before electrowinning and refining pour the gold into doré bars. The Lindero Mine is an open pit heap leach operation in which crushed ore on a leach pad is processed through a sulphidization-acidification-recycle-thickening plant and an adsorption, desorption and recovery plant before electrowinning and refining pour the gold into doré bars. The Caylloma Mine is an underground operation worked principally through cut and fill and longhole stoping mechanized methods, with extracted ore trucked to a crushing, milling and flotation processing plant that includes zinc and lead-silver flotation circuits.

Written from the business description in FORTUNA MINING CORP.'s annual report to the U.S. Securities and Exchange Commission, filed 26 March 2026. Every sentence was checked against that document before publication.